What is the most suitable water depth for girls who are 1.7 meters tall to learn swimming?

It is recommended to be about one meter and four meters deep. It is difficult for you to master the water depth. The shallow swimming pool is 1.4 meters, and the deep swimming pool is 1.8 meters. I worked as a lifeguard in a water park. The most important thing in swimming pool is to overcome nervousness. First, practice holding your breath slowly. You have to understand that when you are in the water, the action of forces is mutual. According to the thrust of your water supply, the water will give you a reaction. For example, if you want to go upstream, you need to push the water down. You can ask me more details.